New mutation identified in two sisters with adult-onset erythropoietic protoporphyria.
Clin Exp Dermatol
; 38(6): 601-5, 2013 Aug.
Article
en En
| MEDLINE
| ID: mdl-23600449
ABSTRACT
BACKGROUND:
Erythropoietic protoporphyria (EPP; OMIM #177000) is a rare disease that usually presents in infancy or early childhood. The uncommon adult-onset EPP is often associated with acquired somatic mutations of the FECH gene, secondary to blood dyscracias.METHODS:
We investigated two sisters with adult-onset EPP.RESULTS:
We found a novel germline mutation in the FECH gene, in trans with the common hypomorphic IVS3-48C allele.CONCLUSIONS:
The adult presentation and identical genotypes of the two sisters suggests that the late development of the condition is to an extent a function of the mutation. The exact mechanism for this delayed penetrance is not clear, although these atypical cases raise the possibility of other genetic or nongenetic disease-modifying factors.
Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Mutación Missense
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Protoporfiria Eritropoyética
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Ferroquelatasa
Tipo de estudio:
Prognostic_studies
Límite:
Adult
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Female
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Humans
Idioma:
En
Revista:
Clin Exp Dermatol
Año:
2013
Tipo del documento:
Article
País de afiliación:
Reino Unido